NEMA-rated exit signs are designed for tougher environments than standard indoor fixtures. They may be needed where signs are exposed to moisture, dust, washdown, outdoor conditions, or industrial hazards.
What NEMA rating means
NEMA enclosure ratings describe the level of protection an enclosure provides against environmental conditions such as dust, dripping water, hose-directed water, corrosion, or outdoor exposure. The exact rating needed depends on the space.
When to consider a NEMA-rated sign
- Outdoor exits
- Parking garages
- Loading docks
- Food processing or washdown areas
- Industrial facilities
- Dusty or dirty environments
- Areas exposed to moisture or weather
NEMA versus wet-location
Wet-location and NEMA-rated products are related but not interchangeable labels. Review the product specification sheet and confirm the fixture is rated for the exact environment where it will be installed.
What to verify
- Required NEMA or environmental rating
- Indoor or outdoor use
- Battery backup requirement
- Mounting method
- Single-face or double-face visibility
- Temperature and corrosion concerns
Start with wet-location exit signs, and verify final requirements with your AHJ or facility engineer before ordering.
NEMA rating vs hazardous location rating
A NEMA or wet-location enclosure rating is not the same thing as a hazardous-location classification. If the project involves flammable vapors, combustible dust, fuel storage, wastewater gases, or chemical processing, review our hazardous location lighting guide and compare hazardous lighting fixtures.